Dry electrostatic copying machine



FIG. 1 is a front elevation of a dry electrostatic copying machineaccording to the present invention;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a left side elevation thereof; and,

FIG. 7 is a top, front and right side perspective view thereof.

The broken lines depict environmental subject matter only and form nopart of the claimed design.

The ornamental design for a dry electrostatic copying machine, as shown and described. 